Home / 15,705.10-23,521.20-10,747.90

Finding the Fourth Proportional to 15,705.10, 23,521.20 and 10,747.90

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Solution

The fourth proportional to 15,705.10, 23,521.20 and 10,747.90 is: 16,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,705.10 : 23,521.20 = 10,747.90 : x
  2. Step 2: Convert to fraction form
    15,705.10/23,521.20 = 10,747.90/x
  3. Step 3: Cross multiply
    15,705.10x = 23,521.20 × 10,747.90
  4. Step 4: Simplify right side
    15,705.10x = 252,803,505.48
  5. Step 5: Solve for x
    x = 252,803,505.48/15,705.10
  6. Step 6: Final answer
    x = 16,096.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.